Improper input validation in Dovecot
CVE-2016-8652
The auth component in Dovecot before 2.2.27, when auth-policy is configured, allows a remote attackers to cause a denial of service (crash) by aborting authentication without setting a username.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.482 (98.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Dovecot
- N/a — versions n/a
Weakness classification (CWE)
References
- secalert@redhat.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- secalert@redhat.com (Vendor Advisory, mailing-list, x_refsource_MLIST, Release Notes)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-8652?
- CVE-2016-8652 is a medium-severity vulnerability in Dovecot, classified under Improper Input Validation. CVSS score: 5.9/10. Published 2017-02-17.
- How severe is CVE-2016-8652?
- Medium severity. CVSS v3 base score is 5.9 out of 10.